Cold drawn seamless square tube 1) Dimentions: 30*30mm-800*800mm, Thickness: 3-40mm Length: <13m 2) Material: Q235, Q345, 20#, ST37, ST44, ST52, ASTM A53, ASTM A106,STKR490 3) St
rectangular hollow section Commodity name rectangularhollow section Production technique High frequency Material Q195,Q215,Q235B,ss400,astm a500 Size 450*250MM Wall thickness
construction structure rectangular steel tube Commodity name construction structure rectangular steel tube Production technique cold formed Material Q345B,SS355,ASTM A500 ,ST52 and so on Size 30
structural square hollow sections/steel tube
supply cold formed seamless square hollow section 1) Dimentions: 30*30mm-800*800mm, Thickness: 3-40mm Length: <13m 2) Material: Q235, Q345, 20#, ST37, ST44, ST52, ASTM A53, ASTM A106,STKR490 3) St
ASTM A500 square steel tube Commodity name ASTM A500 square steel tube Production technique High frequency and cold formed Material Q195,Q215,Q235B,SS400,ASTM A500 Size 500*210M
supply square steel hollow section used in machine
EN10210/10219 square hollow section/square profile Square hollow section 1) Dimentions: 30*30mm-800*800mm, Thickness: 3-40mm Length: <13m 2) Material: Q235, Q345, 20#, ST37, ST44, ST52, ASTM A53, A